Camera Optical Lens

ABSTRACT

The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The camera optical lens further satisfies following conditions: 4.00  f1/f 7.00; 10.00 R5/d5 30.00; where f denotes focal length of the optical camera lens; f1 denotes focal length of the first lens; R5 denotes curvature radius of object side surface of the third lens; d5 denotes on-axis thickness of the third lens. The camera optical lens can achieve a high performance while obtaining a low TTL.

FIELD OF THE PRESENT INVENTION

The present invention relates to the field of optical lens, and moreparticularly, to a camera optical lens suitable for handheld terminaldevices, such as smart phones and digital cameras, and imaging devices,such as monitors or PC lenses.

DESCRIPTION OF RELATED ART

With the emergence of smart phones in recent years, the demand forminiature camera lens is increasing day by day, but in general thephotosensitive devices of camera lens are nothing more than ChargeCoupled Device (CCD) or Complementary Metal-Oxide Semiconductor Sensor(CMOS sensor), and as the progress of the semiconductor manufacturingtechnology makes the pixel size of the photosensitive devices becomesmaller, plus the current development trend of electronic productstowards better functions and thinner and smaller dimensions, miniaturecamera lenses with good imaging quality therefore have become amainstream in the market. In order to obtain better imaging quality, thelens that is traditionally equipped in mobile phone cameras adopts athree-piece or four-piece lens structure. Also, with the development oftechnology and the increase of the diverse demands of users, and as thepixel area of photosensitive devices is becoming smaller and smaller andthe requirement of the system on the imaging quality is improvingconstantly, the five-piece, six-piece and seven-piece lens structuresgradually appear in lens designs. There is an urgent need for ultra-thinand wide-angle camera lenses with good optical characteristics and fullycorrected chromatic aberration.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of a structure of a camera optical lens inaccordance with Embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of a longitudinal aberration of the cameraoptical lens shown in FIG. 1;

FIG. 3 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 1;

FIG. 4 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 1;

FIG. 5 is a schematic diagram of a structure of a camera optical lens inaccordance with Embodiment 2 of the present invention;

FIG. 6 is a schematic diagram of a longitudinal aberration of the cameraoptical lens shown in FIG. 5;

FIG. 7 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 5;

FIG. 8 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 5;

FIG. 9 is a schematic diagram of a structure of a camera optical lens inaccordance with Embodiment 3 of the present invention;

FIG. 10 is a schematic diagram of a longitudinal aberration of thecamera optical lens shown in FIG. 9;

FIG. 11 is a schematic diagram of a lateral color of the camera opticallens shown in FIG. 9; and

FIG. 12 is a schematic diagram of a field curvature and a distortion ofthe camera optical lens shown in FIG. 9.

DETAILED DESCRIPTION OF THE EXEMPLARY EMBODIMENTS

In order to make the objects, technical solutions, and advantages of thepresent invention more apparent, the embodiments of the presentinvention will be described in detail below. However, it will beapparent to the one skilled in the art that, in the various embodimentsof the present invention, a number of technical details are presented inorder to provide the reader with a better understanding of theinvention. However, the technical solutions claimed in the presentinvention can be implemented without these technical details and variouschanges and modifications based on the following embodiments.

Embodiment 1

As referring to the accompanying drawings, the present inventionprovides a camera optical lens 10. FIG. 1 shows the camera optical lens10 according to Embodiment 1 of the present invention, the cameraoptical lens comprises 6 lenses. Specifically, from an object side to animage side, the camera optical lens 10 comprises in sequence: anaperture S1, a first lens L1, a second lens L2, a third lens L3, afourth lens L4, a fifth lens L5, and a sixth lens L6. Optical elementslike optical filter GF can be arranged between the sixth lens L6 and animage surface S1.

The first lens L1 is made of plastic material, the second lens L2 ismade of plastic material, the third lens L3 is made of plastic material,the fourth lens L4 is made of plastic material, the fifth lens L5 ismade of plastic material, and the sixth lens L6 is made of plasticmaterial.

Here, a focal length of the camera optical lens 10 is defined as f, anda focal length of the first lens L1 is defined as f1. The camera opticallens further satisfies the following condition: 4.00

f1/f

7.00, which defines a positive refractive power of the first lens L1. Ifthe value of f1/f exceeds the lower limit of the above condition,although it is beneficial for developing toward ultra-thin lenses, thepositive refractive power of the first lens L1 would be too strong tocorrect an aberration of the camera optical lens, and it is bad forwide-angle development of lenses. On the contrary, if the value of f1/fexceeds the upper limit of the above condition, the positive refractivepower of the first lens L1 becomes too weak to develop ultra-thinlenses. Preferably, the following condition shall be satisfied, 4.00

f1/f

6.95.

The second lens L2 has a negative refractive power, and the third lensL3 has a negative refractive power.

An on-axis thickness of the third lens L3 is defined as d5, and acurvature radius of an object side surface of the third lens L3 isdefined as R5. The camera optical lens further satisfies the followingcondition: 10.00

R5/d5

30.00. When the value is within the range, it benefits for correctingthe abberation of the optical system. Preferably, the followingcondition shall be satisfied, 10.00

R5/d56

29.75.

A total optical length from an object side surface of the first lens tothe image surface of the camera optical lens along an optical axis isdefined as TTL. When the focal length of the optical camera lens, thefocal length of the first lens, the curvature radius of the object sidesurface of the third lens, and the on-axis thickness of the third lenssatisfy the above conditions, the camera optical lens 10 has theadvantage of high performance and meets the design demand on low TTL.

In the embodiment, the object side surface of the first lens L1 isconvex in a paraxial region, an image side surface of the first lens L2is concave in the paraxial region, and the first lens L1 has a positiverefractive power.

A curvature radius of the object side surface of the first lens L1 isdefined as R1, and a curvature radius of the image side surface of thefirst lens L1 is defined as R2. The camera optical lens furthersatisfies the following condition: −13.60

(R1+R2)/(R1−R2)

−1.17. This condition reasonably controls a shape of the first lens, sothat the first lens can effectively correct the spherical aberration ofthe system. Preferably, the following condition shall be satisfied,−8.50

(R1+R2)/(R1−R2)

−1.47.

An on-axis thickness of the first lens L1 is defined as d1. The cameraoptical lens further satisfies the following condition: 0.03

d1/TTL

0.08, which benefits for developing ultra-thin lenses. Preferably, thefollowing condition shall be satisfied, 0.04

d1/TTL

0.06.

In the embodiment, an object side surface of the second lens L2 isconvex in the paraxial region, and an image side surface of the secondlens L2 is concave in the paraxial region.

The focal length of the camera optical lens camera optical lens 10 isdefined as f, the focal length of the second lens L2 is defined as f2.The camera optical lens further satisfies the following condition:−1058.59

f2/f

−32.07. A negative spherical aberration and the amount of an fieldcurvature caused by the first lens L1 that has the positive refractivepower can be resonably and effectively balanced by controlling thenegative refractive power of the second lens L2 being within areasonable range. Preferably, the following condition shall besatisfied, −661.62

f2/f

−40.09.

A curvature radius of the object side surface of the second lens L2 isdefined as R3, and a curvature radius of the image side surface of thesecond lens L2 is defined as R4. The camera optical lens furthersatisfies the following condition: 13.86

(R3+R4)/(R3−R4)

50.98, which defines a shape of the second lens L2. When the value iswithin the range, as the camera optical lens develops toward ultra-thinand wide-angle, it is beneficial to correct the problem of an axialchromatic aberration. Preferably, the following condition shall besatisfied, 22.18

(R3+R4)/(R3−R4)

40.79.

An on-axis thickness of the second lens L2 is defined as d3. The cameraoptical lens further satisfies the following condition: 0.02

d3/TTL

0.07, which benefits for developing ultra-thin lenses. Preferably, thefollowing condition shall be satisfied, 0.03

d3/TTL

0.06.

In the embodiment, the object side surface of the third lens L3 isconvex in the paraxial region, and an image side surface of the thirdlens L3 is concave in the paraxialregion.

The focal length of the camera optical lens camera optical lens 10 isdefined as f, and a focal length of the third lens L3 is defined as f3.The camera optical lens further satisfies the following condition: −6.36

f3/f

−1.67. The appropriate distribution of the refractive power leads to abetter imaging quality and a lower sensitivity. Preferably, thefollowing condition shall be satisfied, −3.98

f3/f

−2.09.

The curvature radius of the object side surface of the third lens L3 isdefined as R5, and a curvature radius of the image side surface of thethird lens L3 is defined as R6. The camera optical lens furthersatisfies the following condition: 1.39

(R5+R6)/(R5−R6)

9.75. This can effectively control a shape of the third lens L3, therebyfacilitating shaping of the third lens L3 and avoiding bad shaping andgeneration of stress due to the overly large surface curvature of thethird lens L3. Preferably, the following condition shall be satisfied,2.22

(R5+R6)/(R5−R6)

7.80.

An on-axis thickness of the third lens L3 is defined as d5. The cameraoptical lens further satisfies the following condition: 0.02

d5/TTL

0.07, which benefits for developing ultra-thin lenses. Preferably, thefollowing condition shall be satisfied, 0.04

d5/TTL

0.06.

In the embodiment, an object side surface of the fourth lens L4 isconvex in the paraxial region, an image side surface of the fourth lensL4 is convex in the paraxial region, and the fourth lens L4 has apositive refractive power.

The focal length of the camera optical lens 10 is defined as f, and afocal length of the fourth lens L4 is defined as f4. The camera opticallens further satisfies the following condition: 0.49

f4/f

1.68. The appropriate distribution of the refractive power leads to abetter imaging quality and a lower sensitivity. Preferably, thefollowing condition shall be satisfied, 0.78

f4/f

1.35.

A curvature radius of the object side surface of the fourth lens L4 isdefined as R7, and a curvature radius of the image side surface of thefourth lens L4 is defined as R8. The camera optical lens furthersatisfies the following condition: −0.88

(R7+R8)/(R7−R8)

−0.18, which defines a shape of the fourth lens L4. When the value iswithin the range, as the development of ultra-thin and wide-angle lens,it benefits for solving the problems, such as correcting an off-axisaberration. Preferably, the following condition shall be satisfied,−0.55

(R7+R8)/(R7−R8)

−0.22.

An on-axis thickness of the fourth lens L4 is defined as d7. The cameraoptical lens further satisfies the following condition: 0.05

d7/TTL

0.17, which benefits for developing ultra-thin lenses. Preferably, thefollowing condition shall be satisfied, 0.08

d7/TTL

0.14.

In the embodiment, an object side surface of the fifth lens L5 isconcave in the paraxial region, an image side surface of the fifth lensL5 is convex in the paraxial region, and the fifth lens L5 has apositive refractive power.

The focal length of the camera optical lens 10 is defined as f, and afocal length of the fifth lens L5 is defined as f5. The camera opticallens further satisfies the following condition: −0.29

f5/f

0.98, which can effectively make a light angle of the camera lens begentle, and the sensitivity of the tolerance can be reduced. Preferably,the following condition shall be satisfied, 0.47

f5/f

0.78.

A curvature radius of the object side surface of the fifth lens L5 isdefined as R9, and a curvature radius of the image side surface of thefifth lens L5 is defined as R10. The camera optical lens furthersatisfies the following condition: 0.61

(R9+R10)/(R9−R10)

1.95, which defines a shape of the fifth lens L5. When the value iswithin the range, as the development of ultra-thin and wide-angle lens,it benefits for solving the problems, such as correcting the off-axisaberration. Preferably, the following condition shall be satisfied, 0.98

(R9+R10)/(R9−R10)

1.56.

An on-axis thickness of the fifth lens L5 is defined as d9. The cameraoptical lens further satisfies the following condition: 0.056

d9/TTL

0.17, which benefits for developing ultra-thin lenses. Preferably, thefollowing condition shall be satisfied, 0.08

d9/TTL

0.14.

In the embodiment, an object side surface of the sixth lens L6 isconcave in the paraxial region, an image side surface of the sixth lensL6 is concave in the paraxial region, and the sixth lens L6 has anegative refractive power.

The focal length of the camera optical lens 10 is defined as f, and afocal length of the sixth lens L6 is defined as f6. The camera opticallens further satisfies the following condition: −1.13

f6/f

−0.34. The appropriate distribution of the refractive power leads to abetter imaging quality and a lower sensitivity. Preferably, thefollowing condition shall be satisfied, −0.70

f6/f

−0.42.

A curvature radius of the object side surface of the sixth lens L6 isdefined as R11, and a curvature radius of the image side surface of thesixth lens L6 is defined as R12. The camera optical lens furthersatisfies the following condition: 0.35

(R11+R12)/(R11−R12)

1.33, which defines a shape of the sixth lens L6. When the value iswithin the range, as the development of ultra-thin and wide-angle lens,it benefits for solving the problems, such as correcting the off-axisaberration. Preferably, the following condition shall be satisfied, 0.56

(R11+R12)/(R11−R12)

1.07.

An on-axis thickness of the sixth lens L6 is defined as d1. The cameraoptical lens further satisfies the following condition: 0.04

d11/TTL

0.13, which benefits for developing ultra-thin lenses. Preferably, thefollowing condition shall be satisfied, 0.06

d11/TTL

0.10.

In this embodiment, the total optical length TTL of the camera opticallens 10 is less than or equal to 5.82 mm, it benefits for developingultra-thin lenses. Preferably, the total optical length TTL of thecamera optical lens 10 is less than or equal to 5.55 mm.

In this embodiment, an F number of the camera optical lens 10 is lessthan or equal to 2.20. The camera optical lens 10 has a large F numberand a better imaging performance. Preferably, the F number of the cameraoptical lens 10 is less than or equal to 2.16.

With such design, the total optical length TTL of the camera opticallens 10 can be made as short as possible, thus the miniaturizationcharacteristics can be maintained.

In the following, examples will be used to describe the camera opticallens 10 of the present invention. The symbols recorded in each examplewill be described as follows. The focal length, on-axis distance,curvature radius, on-axis thickness, inflexion point position, andarrest point position are all in units of mm.

TTL: the total optical length from the object side surface of the firstlens to the image surface of the camera optical lens 10 along theoptical axis, the unit of TTL is mm.

Preferably, inflexion points and/or arrest points can also be arrangedon the object side surface and/or image side surface of the lens, sothat the demand for high quality imaging can be satisfied, thedescription below can be referred for specific implementable scheme.

The design information of the camera optical lens 10 in Embodiment 1 ofthe present invention is shown in the tables 1 and 2.

TABLE 1 R d nd νd S1 ∞ d0= 0.000 R1 5.817 d1= 0.268 nd1 1.5449 ν1 55.93R2 21.123 d2= 0.027 R3 1.801 d3= 0.250 nd2 1.6510 ν2 21.51 R4 1.676 d4=0.090 R5 4.177 d5= 0.250 nd3 1.6713 ν3 19.24 R6 2.535 d6= 0.054 R7 3.384d7= 0.580 nd4 1.5439 ν4 55.95 R8 −6.145 d8= 0.950 R9 −8.972 d9= 0.592nd5 1.5449 ν5 55.93 R10 −1.161 d10= 0.374 R11 −7.507 d11= 0.429 nd61.5449 ν6 55.93 R12 1.346 d12= 0.909 R13 ∞ d13= 0.210 ndg 1.5168 νg64.17 R14 ∞ d14= 0.100

where, the meaning of the various symbols is as follows.

S1: aperture;

R: curvature radius of an optical surface, a central curvature radiusfor a lens;

R1: curvature radius of the object side surface of the first lens L1;

R2: curvature radius of the image side surface of the first lens L1;

R3: curvature radius of the object side surface of the second lens L2;

R4: curvature radius of the image side surface of the second lens L2;

R5: curvature radius of the object side surface of the third lens L3;

R6: curvature radius of the image side surface of the third lens L3;

R7: curvature radius of the object side surface of the fourth lens L4;

R8: curvature radius of the image side surface of the fourth lens L4;

R9: curvature radius of the object side surface of the fifth lens L5;

R10: curvature radius of the image side surface of the fifth lens L5;

R11: curvature radius of the object side surface of the sixth lens L6;

R12: curvature radius of the image side surface of the sixth lens L6;

R13: curvature radius of an object side surface of the optical filterGF;

R14: curvature radius of an image side surface of the optical filter GF;

d: on-axis thickness of a lens and an on-axis distance between lenses;

d0: on-axis distance from the aperture S1 to the object side surface ofthe first lens L1;

d1: on-axis thickness of the first lens L1;

d2: on-axis distance from the image side surface of the first lens L1 tothe object side surface of the second lens L2;

d3: on-axis thickness of the second lens L2;

d4: on-axis distance from the image side surface of the second lens L2to the object side surface of the third lens L3;

d5: on-axis thickness of the third lens L3;

d6: on-axis distance from the image side surface of the third lens L3 tothe object side surface of the fourth lens L4;

d7: on-axis thickness of the fourth lens L4;

d8: on-axis distance from the image side surface of the fourth lens L4to the object side surface of the fifth lens L5;

d9: on-axis thickness of the fifth lens L5;

d10: on-axis distance from the image side surface of the fifth lens L5to the object side surface of the sixth lens L6;

d11: on-axis thickness of the sixth lens L6;

d12: on-axis distance from the image side surface of the sixth lens L6to the object side surface of the optical filter GF;

d13: on-axis thickness of the optical filter GF;

d14: on-axis distance from the image side surface of the optical filterGF to the image surface;

nd: refractive index of d line;

nd1: refractive index of d line of the first lens L1;

nd2: refractive index of d line of the second lens L2;

nd3: refractive index of d line of the third lens L3;

nd4: refractive index of d line of the fourth lens L4;

nd5: refractive index of d line of the fifth lens L5;

nd6: refractive index of d line of the sixth lens L6;

ndg: refractive index of d line of the optical filter GF;

vd: abbe number;

v1: abbe number of the first lens L1;

v2: abbe number of the second lens L2;

v3: abbe number of the third lens L3;

v4: abbe number of the fourth lens L4;

v5: abbe number of the fifth lens L5;

v6: abbe number of the sixth lens L6;

vg: abbe number of the optical filter GF;

Table 2 shows aspherical surface data of the camera optical lens 10 inEmbodiment 1 of the present invention.

TABLE 2 Conic coefficient Aspheric surface coefficients k A4 A6 A8 A10A12 A14 A16 R1  0.0000E+00  6.5369E−02  1.4840E−01 −2.7331E−01−6.0509E−01  2.8454E+00 −3.5449E+00  1.5092E+00 R2  0.0000E+00 9.1462E−02 −5.7479E−02 −2.5044E−01  1.7992E+00 −3.8939E+00  3.7661E+00−1.3637E+00 R3 −6.4481E−02 −1.3860E−01 −8.5614E−02  7.4193E−02−6.1191E−02 −9.5849E−02  1.5053E−01 −1.0578E−01 R4 −1.2658E−02−1.2320E−01 −3.3249E−02 −3.2026E−02  1.9728E−02 −4.0303E−03 −9.1683E−03−2.5400E−03 R5 −8.6026E−01  8.1455E−03 −3.8714E−03  1.3259E−02−1.2033E−03 −5.0453E−03 −1.4146E−03 −8.5110E−04 R6 −5.0601E−03−3.2827E−02  1.0514E−02 −8.3891E−04  1.9610E−03  2.3076E−03 −1.0717E−03−2.3399E−03 R7  0.0000E+00 −5.1802E−03  6.0032E−03  2.3083E−03 3.4377E−03  8.5416E−04 −2.3256E−03  7.7128E−04 R8  0.0000E+00−2.1151E−02 −4.9050E−03 −5.8755E−03  5.5475E−03  2.1402E−03  1.9017E−03 1.6961E−04 R9  0.0000E+00 −3.3016E−02  4.7499E−03  1.2026E−03−8.0514E−04 −3.6750E−04 −2.6570E−05  6.3537E−06 R10 −3.6441E+00−4.3416E−02  1.7843E−02  1.4681E−03 −2.2173E−04 −5.9177E−05 −7.2324E−06−1.5977E−06 R11  0.0000E+00 −9.2335E−03 −1.5072E−03  1.1892E−03−2.0199E−05 −1.6786E−05 −2.0187E−06  3.7863E−07 R12 −6.8570E+00−2.4497E−02  3.6319E−03 −3.4035E−04  3.7350E−07  2.2276E−06 −6.1466E−08−9.0795E−09

Where, K is a conic coefficient, A4, A6, A8, A10, A12, A14, A16 areaspheric surface coefficients.

IH: Image height

y=(x ² /R)/[1+{1−(k+1)(x ² /R ²)}^(1/2)]+A4x ⁴ +A6x ⁶ +A8x ⁸ +A10x ¹⁰+A12x ¹² +A14x ¹⁴ +A16x ¹⁶   (1)

For convenience, an aspheric surface of each lens surface uses theaspheric surfaces shown in the above condition (1). However, the presentinvention is not limited to the aspherical polynomials form shown in thecondition (1).

Table 3 and Table 4 show design data of inflexion points and arrestpoints of respective lens in the camera optical lens 10 according toEmbodiment 1 of the present invention. P1R1 and P1R2 represent theobject side surface and the image side surface of the first lens L1,P2R1 and P2R2 represent the object side surface and the image sidesurface of the second lens L2, P3R1 and P3R2 represent the object sidesurface and the image side surface of the third lens L3, P4R1 and P4R2represent the object side surface and the image side surface of thefourth lens L4, P5R1 and P5R2 represent the object side surface and theimage side surface of the fifth lens L5, and P6R1 and P6R2 represent theobject side surface and the image side surface of the sixth lens L6. Thedata in the column named“inflexion point position” refers to verticaldistances from inflexion points arranged on each lens surface to theoptical axis of the camera optical lens 10. The data in the column named“arrest point position” refers to vertical distances from arrest pointsarranged on each lens surface to the optical axis of the camera opticallens 10.

TABLE 3 Number of Inflexion point Inflexion point inflexion pointsposition 1 position 2 P1R1 0 0 0 P1R2 0 0 0 P2R1 1 0.535 0 P2R2 1 0.6050 P3R1 1 0.965 0 P3R2 1 1.025 0 P4R1 0 0 0 P4R2 1 0.965 0 P5R1 0 0 0P5R2 1 1.065 0 P6R1 2 1.565 2.135 P6R2 1 0.785 0

TABLE 4 Number of arrest points Arrest point position 1 P1R1 0 0 P1R2 00 P2R1 1 0.825 P2R2 1 0.925 P3R1 0 0 P3R2 0 0 P4R1 0 0 P4R2 1 1.155 P5R10 0 P5R2 0 0 P6R1 0 0 P6R2 1 2.015

FIG. 2 and FIG. 3 respectively illustrate a longitudinal aberration anda lateral color of light with wavelengths of 470 nm, 550 nm and 650 nmafter passing the camera optical lens 10 according to Embodiment 1. FIG.4 illustrates a field curvature and a distortion of light with awavelength of 550 nm after passing the camera optical lens 10 accordingto Embodiment 1, in which a field curvature S is a field curvature in asagittal direction and T is a field curvature in a tangential direction.

Table 13 shows various values of Embodiments 1, 2 and 3 and valuescorresponding to parameters which are specified in the above conditions.

As shown in Table 13, Embodiment 1 satisfies the above conditions.

In this embodiment, the entrance pupil diameter of the camera opticallens 10 is 1.783 mm. The image height of 1.0H is 3.284 mm. The FOV is83.05°. Thus, the camera optical lens has a wide-angle and isultra-thin. Its on-axis and off-axis chromatic aberrations are fullycorrected, thereby achieving excellent optical characteristics.

Embodiment 2

Embodiment 2 is basically the same as Embodiment 1, the meaning of itssymbols is the same as that of Embodiment 1, in the following, only thedifferences are listed.

Table 5 and table 6 show the design data of a camera optical lens inEmbodiment 2 of the present invention.

TABLE 5 R d nd νd S1 ∞ d0= 0.000 R1 4.720 d1= 0.277 nd1 1.5449 ν1 55.93R2 7.900 d2= 0.030 R3 1.826 d3= 0.210 nd2 1.6713 ν2 19.24 R4 1.718 d4=0.144 R5 2.525 d5= 0.250 nd3 1.6713 ν3 19.24 R6 1.851 d6= 0.130 R7 3.392d7= 0.509 nd4 1.5439 ν4 55.95 R8 −5.853 d8= 1.063 R9 −11.366 d9= 0.570nd5 1.5449 ν5 55.93 R10 −1.121 d10= 0.281 R11 −12.817 d11= 0.418 nd61.5449 ν6 55.93 R12 1.164 d12= 1.087 R13 ∞ d13= 0.210 ndg 1.5168 νg64.17 R14 ∞ d14= 0.100

Table 6 shows aspherical surface data of each lens of the camera opticallens 20 in Embodiment 2 of the present invention.

TABLE 6 Conic coefficient Aspherical surface coefficients k A4 A6 A8 A10A12 A14 A16 R1  0.0000E+00  4.8176E−02  1.1336E−01 −2.1616E−01−6.3219E−01   2.8096E+00 −3.4664E+00  1.4561E+00 R2  0.0000E+00 2.3710E−02 −6.1064E−02 −2.3523E−01 1.7296E+00 −3.4396E+00  3.0863E+00−1.0747E+00 R3 −1.5732E−01 −1.4090E−01 −1.0574E−01  1.2132E−01−6.3311E−02  −1.0786E−01  1.6320E−01 −1.3112E−01 R4 −2.5615E−02−1.2466E−01 −2.9180E−02 −3.2167E−02 1.6853E−02 −7.5597E−03 −1.6826E−02 3.6418E−03 R5 −1.9735E+01 −2.6807E−02  2.1480E−04  1.6336E−021.7036E−03 −4.5636E−03 −2.6381E−03 −2.6841E−03 R6 −6.5791E+00−7.0638E−02  1.8973E−02  4.3940E−03 1.4338E−03  4.6855E−04 −9.0120E−04−2.3333E−03 R7  0.0000E+00 −2.4424E−02 −5.7717E−03 −1.8462E−035.3489E−03  3.5746E−03 −1.1063E−03 −4.8688E−04 R8  0.0000E+00−1.2223E−02 −3.0719E−03 −4.9014E−03 4.6555E−03  5.2458E−04  1.2382E−03 2.3139E−04 R9  0.0000E+00 −3.2948E−02  7.9344E−03  1.7732E−03−9.3432E−04  −5.0017E−04 −1.2982E−05  5.7721E−05 R10 −4.1725E+00−4.0596E−02  2.0591E−02  1.2620E−03 −5.7357E−04  −1.7540E−04 −1.2702E−05 1.3210E−05 R11  0.0000E+00 −9.4870E−03 −1.5414E−03  1.1897E−03−2.3764E−05  −1.7204E−05 −1.9893E−06  3.8010E−07 R12 −6.2216E+00−2.4251E−02  3.7056E−03 −3.3869E−04 1.0122E−06  2.3760E−06 −4.7271E−08−1.0718E−08

Table 7 and table 8 show design data of inflexion points and arrestpoints of respective lens in the camera optical lens 20 according toEmbodiment 2 of the present invention.

TABLE 7 Number of Inflexion point Inflexion point inflexion pointsposition 1 position 2 P1R1 0 0 0 P1R2 0 0 0 P2R1 1 0.525 0 P2R2 1 0.5950 P3R1 1 0.835 0 P3R2 1 0.675 0 P4R1 0 0 0 P4R2 1 0.985 0 P5R1 1 1.585 0P5R2 1 1.005 0 P6R1 2 1.525 2.075 P6R2 1 0.785 0

TABLE 8 Number of arrest points Arrest point position 1 P1R1 0 0 P1R2 00 P2R1 1 0.825 P2R2 1 0.905 P3R1 1 1.065 P3R2 1 1.135 P4R1 0 0 P4R2 11.185 P5R1 0 0 P5R2 1 1.785 P6R1 0 0 P6R2 1 2.205

FIG. 6 and FIG. 7 respectively illustrate a longitudinal aberration anda lateral color of light with wavelengths of 470 nm, 550 nm and 650 nmafter passing the camera optical lens 20 according to Embodiment 2. FIG.8 illustrates afield curvature and a distortion of light with awavelength of 550 nm after passing the camera optical lens 10 accordingto Embodiment 2, in which afield curvature S is afield curvature in asagittal direction and T is a field curvature in a tangential direction.

As shown in Table 13, Embodiment 2 satisfies the various conditions.

In this embodiment, the entrance pupil diameter of the camera opticallens is 1.801 mm. The image height of 1.0H is 3.284 mm. The FOV is80.33. Thus, the camera optical lens has a wide-angle and is ultra-thin.Its on-axis and off-axis chromatic aberrations are fully corrected,thereby achieving excellent optical characteristics.

Embodiment 3

Embodiment 3 is basically the same as Embodiment 1 and involves symbolshaving the same meanings as Embodiment 1, and only differencestherebetween will be described in the following.

Tables 9 and 10 show design data of a camera optical lens 30 inEmbodiment 3 of the present invention.

TABLE 9 R d nd νd S1 ∞ d0= −0.050 R1 3.920 d1= 0.276 nd1 1.5449 ν1 55.93R2 5.272 d2= 0.030 R3 1.774 d3= 0.250 nd2 1.6510 ν2 21.51 R4 1.673 d4=0.200 R5 7.080 d5= 0.240 nd3 1.6713 ν3 19.24 R6 3.326 d6= 0.045 R7 2.740d7= 0.561 nd4 1.5439 ν4 55.95 R8 −7.070 d8= 1.072 R9 −8.982 d9= 0.532nd5 1.5449 ν5 55.93 R10 −1.103 d10= 0.317 R11 −18.934 d11= 0.410 nd61.5449 ν6 55.93 R12 1.117 d12= 1.047 R13 ∞ d13= 0.210 ndg 1.5168 νg64.17 R14 ∞ d14= 0.100

Table 10 shows aspherical surface data of each lens of the cameraoptical lens 30 in Embodiment 3 of the present invention.

TABLE 10 Conic coefficient Aspherical surface coefficients k A4 A6 A8A10 A12 A14 A16 R1 −6.5073E−01  5.8360E−02  1.1750E−01 −2.2393E−01−6.3614E−01  2.7976E+00 −3.4987E+00 1.5031E+00 R2 −1.0039E+00 6.8186E−02 −8.3361E−02 −2.9510E−01  1.8503E+00 −3.8668E+00  3.6863E+00−1.3420E+00  R3 −1.9500E−01 −1.4525E−01 −1.0357E−01  1.2689E−01−6.2696E−02 −1.2048E−01  1.6302E−01 −9.7454E−02  R4 −6.6794E−01−1.5410E−01 −2.8416E−02 −2.1314E−02  1.9798E−02 −1.7376E−02 −2.0442E−021.2450E−02 R5 −5.4021E+01 −3.0924E−02 −4.7035E−02 −1.7136E−02−5.3923E−03  3.1645E−03  4.1749E−03 −9.6304E−03  R6 −3.8553E+00−5.5491E−02 −8.5767E−03 −7.4896E−04  2.0191E−03  2.8885E−04 −2.8665E−03−6.7581E−04  R7 −4.4358E+00 −3.2850E−02  8.2787E−03 −2.5073E−03 1.2729E−03  1.1800E−03 −1.3090E−03 2.8726E−04 R8 −2.6174E+00−3.1403E−02 −9.3213E−03 −3.2872E−03  4.3878E−03 −1.8952E−04  4.9754E−041.8452E−04 R9 −9.0987E−01 −2.6983E−02  7.5245E−03  2.6060E−03−7.6612E−04 −5.9665E−04 −7.1511E−05 7.5159E−05 R10 −4.0797E+00−4.1012E−02  2.5625E−02  2.3198E−03 −6.9856E−04 −3.0522E−04 −4.4670E−052.5926E−05 R11  0.0000E+00 −1.0801E−02 −1.9210E−03  1.2053E−03−1.3613E−05 −1.6906E−05 −2.0510E−06 3.6486E−07 R12 −5.8386E+00−2.4302E−02  3.7634E−03 −3.4838E−04 −1.4537E−06  2.3110E−06 −1.8974E−08−1.1799E−08 

Table 11 and table 12 show Embodiment 3 design data of inflexion pointsand arrest points of respective lens in the camera optical lens 30according to Embodiment 3 of the present invention.

TABLE 11 Number of Inflexion point Inflexion point inflexion pointsposition 1 position 2 P1R1 0 0 0 P1R2 0 0 0 P2R1 1 0.535 0 P2R2 1 0.5450 P3R1 1 0.415 0 P3R2 1 0.595 0 P4R1 1 1.085 0 P4R2 1 1.115 0 P5R1 11.575 0 P5R2 1 0.925 0 P6R1 2 1.565 2.085 P6R2 1 0.795 0

TABLE 12 Number of arrest points Arrest point position 1 P1R1 0 0 P1R2 00 P2R1 1 0.835 P2R2 1 0.855 P3R1 1 0.655 P3R2 1 0.965 P4R1 0 0 P4R2 11.305 P5R1 0 0 P5R2 1 1.625 P6R1 0 0 P6R2 1 2.175

FIG. 10 and FIG. 11 respectively illustrate a longitudinal aberrationand a lateral color of light with wavelengths of 470 nm, 550 nm and 650nm after passing the camera optical lens 30 according to Embodiment 3.FIG. 12 illustrates a field curvature and a distortion of light with awavelength of 550 nm after passing the camera optical lens 30 accordingto Embodiment 3, in which a field curvature S is a field curvature in asagittal direction and T is a field curvature in a tangential direction.

Table 13 in the following lists values corresponding to the respectiveconditions in this embodiment in order to satisfy the above conditions.

In this embodiment, the entrance pupil diameter of the camera opticallens is 1.766 mm. The image height of 1.0H is 3.284 mm. The FOV is81.11°. Thus, the camera optical lens has a wide-angle and isultra-thin. Its on-axis and off-axis chromatic aberrations are fullycorrected, thereby achieving excellent optical characteristics.

TABLE 13 Parameters and conditions Embodiment 1 Embodiment 2 Embodiment3 f 3.638 3.781 3.779 f1 14.586 20.794 26.071 f2 −175.000 −200.013−2000.000 f3 −10.128 −12.033 −9.488 f4 4.085 4.011 3.692 f5 2.374 2.2312.244 f6 −2.051 −1.930 −1.915 f12 14.924 21.940 24.910 F 2.04 2.10 2.14f1/f 4.01 5.50 6.90 R5/d5 16.71 10.10 29.50

It is to be understood, however, that even though numerouscharacteristics and advantages of the present exemplary embodiments havebeen set forth in the foregoing description, together with details ofthe structures and functions of the embodiments, the disclosure isillustrative only, and changes may be made in detail, especially inmatters of shape, size, and arrangement of parts within the principlesof the invention to the full extent indicated by the broad generalmeaning of the terms where the appended claims are expressed.

What is claimed is:
 1. A camera optical lens, comprising, from an objectside to an image side in sequence: a first lens, a second lens, a thirdlens, a fourth lens, a fifth lens, and a sixth lens; the second lens hasa negative refractive power, and the third lens has a negativerefractive power; wherein the camera optical lens satisfies thefollowing conditions:4.00

f1/f

7.00; and10.00

R5/d5

30.00; where, f: a focal length of the optical camera lens; f1: a focallength of the first lens; R5: a curvature radius of an object sidesurface of the third lens; and d5: an on-axis thickness of the thirdlens.
 2. The camera optical lens according to claim 1 further satisfyingthe following conditions:4.00

f1/f

6.95; and10.00

R5/d5

29.75.
 3. The camera optical lens according to claim 1, wherein, thefirst lens has a positive refractive power with a convex object sidesurface in a paraxial region and a concave image side surface in theparaxial region; the camera optical lens further satisfies the followingconditions:−13.60

(R1+R2)/(R1−R2)

−1.17; and0.03

d1/TTL

0.08; where, R1: a curvature radius of the object side surface of thefirst lens; R2: a curvature radius of the image side surface of thefirst lens; d1: an on-axis thickness of the first lens; and TTL: a totaloptical length from the object side surface of the first lens of thecamera optical lens to an image surface of the camera optical lens alongan optical axis.
 4. The camera optical lens according to claim 3 furthersatisfying the following conditions:−8.50

(R1+R2)/(R1−R2)

−1.47; and0.04

d1/TTL

0.06.
 5. The camera optical lens according to claim 1, wherein, thesecond lens has a convex object side surface in a paraxial region and aconcave image side surface in the paraxial region; the camera opticallens satisfies the following conditions:−1058.59

f2/f

−32.07;13.86

(R3+R4)/(R3−R4)

50.98; and0.02

d3/TTL

0.07; where, R3: a curvature radius of the object side surface of thesecond lens; R4: a curvature radius of the image side surface of thesecond lens; f2: a focal length of the second lens; d3: an on-axisthickness of the second lens; and TTL: a total optical length from anobject side surface of the first lens of the camera optical lens to animage surface of the camera optical lens along an optical axis.
 6. Thecamera optical lens according to claim 5 further satisfying thefollowing conditions:−661.62

f2/f

−40.09;22.18

(R3+R4)/(R3−R4)

40.79; and0.036

d3/TTL

0.06.
 7. The camera optical lens according to claim 1, wherein, theobject side surface of the third lens being convex in a paraxial regionand an image side surface of the third lens being concave in theparaxial region; and the camera optical lens satisfies the followingconditions:−6.36

f3/f

−1.67;1.39

(R5+R6)/(R5−R6)

9.75; and0.02

d5/TTL

0.07; where, R6: a curvature radius of the image side surface of thethird lens; f3: a focal length of the third lens; and TTL: a totaloptical length from an object side surface of the first lens of thecamera optical lens to an image surface of the camera optical lens alongan optical axis.
 8. The camera optical lens according to claim 7 furthersatisfying the following conditions:−3.98

f3/f

−2.09;2.22

(R5+R6)/(R5−R6)

7.80; and0.04

d5/TTL

0.06.
 9. The camera optical lens according to claim 1, wherein, thefourth lens has a positive refractive power with a convex object sidesurface in a paraxial region and a convex image side surface in theparaxial region; the camera optical lens further satisfies the followingconditions:0.49

f4/f

1.68;−0.88

(R7+R8)/(R7−R8)

−0.18; and0.05

d7/TTL

0.17; where, R7: a curvature radius of the object side surface of thefourth lens; R8: a curvature radius of the image side surface of thefourth lens; f4: a focal length of the fourth lens; d7: an on-axisthickness of the fourth lens; and TTL: a total optical length from anobject side surface of the first lens of the camera optical lens to animage surface of the camera optical lens along an optical axis.
 10. Thecamera optical lens according to claim 9 further satisfying thefollowing conditions:0.78

f4/f

1.35;−0.55

(R7+R8)/(R7−R8)

−0.22; and0.08

d7/TTL

0.14.
 11. The camera optical lens according to claim 1, wherein, thefifth lens has a positive refractive power with a concave object sidesurface in a paraxial region and a convex image side surface in theparaxial region; the camera optical lens further satisfies the followingconditions:0.296

f5/f

0.98;0.61

(R9+R10)/(R9−R10)

1.95; and0.05

d9/TTL

0.17; where, f5: a focal length of the fifth lens; R9: a curvatureradius of the object side surface of the fifth lens; R10: a curvatureradius of the image side surface of the fifth lens; d9: an on-axisthickness of the fifth lens; and TTL: a total optical length from anobject side surface of the first lens of the camera optical lens to animage surface of the camera optical lens along an optical axis.
 12. Thecamera optical lens according to claim 11 further satisfying thefollowing conditions:0.47

f5/f

0.78;0.98

(R9+R10)/(R9−R10)

1.56; and0.086

d9/TTL

0.14.
 13. The camera optical lens according to claim 1, wherein, thesixth lens has a negative refractive power with a concave object sidesurface in a paraxial region and a concave image side surface in theparaxial region; the camera optical lens further satisfies the followingconditions:−1.13

f6/f

−0.34;0.35

(R11+R12)/(R11−R12)

1.33; and0.04

d11/TTL

0.13; where, f6: a focal length of the sixth lens; R11: a curvatureradius of the object side surface of the sixth lens; R12: a curvatureradius of the image side surface of the sixth lens; d1: an on-axisthickness of the sixth lens; and TTL: a total optical length from anobject side surface of the first lens of the camera optical lens to animage surface of the camera optical lens along an optical axis.
 14. Thecamera optical lens according to claim 13 further satisfying thefollowing conditions:−0.7

f6/f

−0.42;0.56

(R11+R12)/(R11−R12)

1.07; and0.06

d11/TTL

0.10.
 15. The camera optical lens according to claim 1, wherein, acombined focal length of the first lens and the second lens is f12; thecamera optical lens further satisfies the following conditions:2.05

f12/f

9.89.
 16. The camera optical lens according to claim 15 furthersatisfying the following conditions:3.28

f12/f

7.91.
 17. The camera optical lens as described in claim 1, wherein atotal optical length from an object side surface of the first lens ofthe camera optical lens to an image surface of the camera optical lensalong an optical axis is less than or equal to 5.82 millimeters.
 18. Thecamera optical lens as described in claim 17, wherein the total opticallength from the object side surface of the first lens of the cameraoptical lens to the image surface of the camera optical lens along theoptical axis is less than or equal to 5.55 millimeters.
 19. The cameraoptical lens as described in claim 1, wherein an F number of the cameraoptical lens is less than or equal to 2.20.
 20. The camera optical lensas described in claim 19, wherein the F number of the camera opticallens is less than or equal to 2.16.